The operating manual, service manual, and illustrated parts list for the Ludlow Typograph Model S. The Model S was a late development of the Ludlow which employed a fixed crucible. Unlike the well regarded earlier models, it was not a success.
This work was published in the US without copyright notice
at a time when such notice was required to secure copyright.
It therefore passed into the public domain upon initial publication.
This digital reprint remains in the public domain.